Chinese AI firm DeepSeek says it is facing "large-scale malicious attacks", which are affecting its services. Chinese state media is citing cyber security experts who say the attacks are originating from US-based IP addresses,

The sudden rise of Chinese AI app DeepSeek has leaders in Washington and Silicon Valley grappling with how to keep the U.S. ahead in the crucial technology.

The new AI model from China's DeepSeek performs on a level with leading US models without requiring as much computing power – but despite a huge drop in their stock, it's not game over for US tech com